#pragma warning (disable:4996)
#include <stdio.h>

static int res[100000000] = { 0 };
int* printNumbers(int n, int* returnSize) {
    int count = 1;
    while (n--) {
        count *= 10;
    }
    for (int i = 1; i < count; i++) {
        res[i - 1] = i;
    }
    *returnSize = count - 1;
    return res;
}

int x = 5, y = 7;
void swap()
{
    int z;
    z = x;
    x = y;
    y = z;
} 
int main()
{
    int x = 3, y = 8;
    swap();
    printf("%d,%d\n",x, y);
    return 0;
}